Non-interrupted oil supply for gas turbine engine

(19)

(11)

EP 2 103 794 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	04.01.2012 Bulletin 2012/01

(43)	Date of publication A2:
	23.09.2009 Bulletin 2009/39

(21)	Application number: 09250626.0

(22)	Date of filing: 04.03.2009

(51)

International Patent Classification (IPC):

F02C 7/06^(2006.01)

F01D 25/20^(2006.01)

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR
	Designated Extension States:
	AL BA RS

(30)

Priority:

20.03.2008 US 52014

(71)	Applicant: United Technologies Corporation
	Hartford, CT 06101 (US)

(72)	Inventor:
	Norris, James W. Lebanon, CT 06249 (US)

(74)	Representative: Leckey, David Herbert
	Dehns St Bride's House 10 Salisbury Square London EC4Y 8JD London EC4Y 8JD (GB)

(54)	Non-interrupted oil supply for gas turbine engine

(57) An oil supply system for a gearbox (22) in a gas turbine engine includes a holding container (50) which holds a quantity of oil to be delivered to a pump. The holding container includes a flexible barrier (60). One side of the flexible barrier (60) is in communication with a source of pressurized fluid through a connection (31). The other side is in communication with the oil supply.

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